It probably no surprise that a show starring Amy Poehler and created by the guys from The Office was chock full of hilarious guest stars. But beyond the great comedians who popped up on Parks and Rec were plenty of other famous faces you probably didn't expect.
Leslie Knope's relentless devotion to government allowed for the writers to fit in some cameos from heavy hitters in the political world. From Michelle Obama to John McCain, Leslie was lucky enough to rub elbows with some of Washington's elite. And that's when she wasn't going on dates with Justin Theroux (AKA Justin Anderson) or taking in a concert by (Donna's cousin) Ginuwine.The best Parks and Recreation guest stars contributed to some of the most memorable episodes of the show. These are the guest appearances by beloved actors, musicians, and politicians that you probably forgot about. Which famous people on Parks & Recreation were your favorite?